<template>
    <!-- 注册页面的整体盒子 -->
    <div class="reg-container">
        <!-- 注册的盒子 -->
        <div class="reg-box">
            <!-- 标题的盒子 -->
            <div class="title-box"></div>
            <!-- 注册的表单区域 -->
            <el-form class="reg" :model="formData" :rules="ruleForm" ref="formRef" status-icon>
                <el-form-item prop="username">
                    <el-input v-model="formData.username" prefix-icon="el-icon-user" placeholder="请输入用户名"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="formData.password" prefix-icon="el-icon-lock" placeholder="请输入密码"></el-input>
                </el-form-item>
                <el-form-item prop="repassword">
                    <el-input v-model="formData.repassword" prefix-icon="el-icon-lock" placeholder="请确认密码"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-button @click="submitForm" type="primary" style="width: 100%;">注册</el-button>
                    <el-link :underline="false">去登录</el-link>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    name: 'Reg',
    data() {
        // 在return之前，data函数之中自定义校验规则函数
        let validatePass2 = (rule, value, callback) => {
            if (value === '') {
                callback(new Error('请再次输入密码'));
            } else if (value !== this.formData.password) {
                callback(new Error('两次输入密码不一致!'));
            } else {
                callback();
            }
        };
        return {
            formData: {
                username: '',
                password: '',
                repassword: '',
            },
            ruleForm: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { pattern: /^[0-9a-zA-Z]{1,10}$/, message: '长度在 1 到 10 的字母数字', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { pattern: /^\S{6,15}$/, message: '长度在 6 到 15 的非空字符', trigger: 'blur' }
                ],
                repassword: [
                    { required: true, message: '请输入确认密码', trigger: 'blur' },
                    { pattern: /^\S{6,15}$/, message: '长度在 6 到 15 的非空字符', trigger: 'blur' },
                    { validator: validatePass2, trigger: 'blur' }
                ],
            }
        }
    },
    methods: {
        submitForm() {
            // this.$refs.formRef 获取form组件，使用form组件调用validate函数
            this.$refs.formRef.validate(async (valid) => {
                // valid 返回值布尔类型，所有的校验通过了，才返回true
                if (!valid) return //校验失败直接return，成功则继续执行下面的代码
                // alert('submit!');
                const { data: res } = await this.$http.post('/api/reg', this.formData)
                // console.log(res);
                if (res.code !== 0) return this.$message.error(res.message)
                this.$message.success(res.message)
                // 跳转到login页面
                this.$router.push('/login')


            });
        }
    }
}
</script>

<style lang="less" scoped>
.reg-container {
    background: url('@/assets/images/login_bg.jpg') center;
    background-size: cover;
    height: 100%;

    .reg-box {
        width: 400px;
        height: 335px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);

        .reg {
            padding: 0 25px;
        }

        .title-box {
            height: 60px;
            background: url('../../assets/images/login_title.png') center no-repeat;
        }
    }
}
</style>

